249023264 has 24 divisors (see below), whose sum is σ = 560302848. Its totient is φ = 106724160.

The previous prime is 249023263. The next prime is 249023287. The reversal of 249023264 is 462320942.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 249023264.

It is not an unprimeable number, because it can be changed into a prime (249023263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555632 + ... + 556079.

It is an arithmetic number, because the mean of its divisors is an integer number (23345952).

Almost surely, 2^249023264 is an apocalyptic number.

It is an amenable number.

249023264 is an abundant number, since it is smaller than the sum of its proper divisors (311279584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249023264 is a wasteful number, since it uses less digits than its factorization.

249023264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111728 (or 1111720 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 249023264 is about 15780.4709688906. The cubic root of 249023264 is about 629.1390473634.

The spelling of 249023264 in words is "two hundred forty-nine million, twenty-three thousand, two hundred sixty-four".